DE8515687U1 - Distraction device for extension osteotomy - Google Patents
Distraction device for extension osteotomyInfo
- Publication number
- DE8515687U1 DE8515687U1 DE19858515687 DE8515687U DE8515687U1 DE 8515687 U1 DE8515687 U1 DE 8515687U1 DE 19858515687 DE19858515687 DE 19858515687 DE 8515687 U DE8515687 U DE 8515687U DE 8515687 U1 DE8515687 U1 DE 8515687U1
- Authority
- DE
- Germany
- Prior art keywords
- distraction device
- drive element
- drive
- drive unit
- magnetic field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/8004—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates with means for distracting or compressing the bone or bones
Landscapes
- Health & Medical Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Neurology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
Distraktionsgerät für die VerlängerungsosteotomieDistraction device for extension osteotomy
Die Neuerung betrifft ein Distraktionsgerät für die Verlängerungsosteotomie mit zwei geführt gegeneinander verschieblichen Befestigungsteilenr von denen jedes an einem Teil des zu verlängernden Knochens fixierbar ist, und mit einer die beiden Befestigungsteile voneinander entfernenden,, zusammen mit diesen in den Körper implantierbaren Antriebseinheit, die ein von einem bewegten Antriebselement antreibbares Untersetzungsgetriebe aufweist. The innovation relates to a distraction device for the lengthening osteotomy with two mutually displaceable fastening parts r , each of which can be fixed to a part of the bone to be lengthened, and with a drive unit that separates the two fastening parts from one another, together with these, can be implanted in the body and has a having a moving drive element drivable reduction gear.
Ein solches Distraktionsgerät ist aus der deutschen Patentschrift 24 1 7 233 bekannt. Das Antriebselement in der Antriebseinheit wird bei diesem bekannten Distraktionsgerät von einem Elektromotor angetrieben, der im Inneren der Antriebseinheit angeordnet ist und von ebenfalls im Inneren der Antriebseinheit vorgesehenen Batterien versorgt wird. Es haben sich bei diesem bekannten Gerät Schwierigkeiten mit der Energieversorgung des Elektromotors im Inneren der Antriebseinheit ergeben, da ein solches Distraktionsgerät über lange Zeiträume implantiert wird und zum Entfernen der Knochenteile erhebliche Leistungen über einen langen Zeitraum benötigt werden. Such a distraction device is from the German patent specification 24 1 7 233 known. The drive element in the drive unit is used in this known distraction device driven by an electric motor which is arranged inside the drive unit and also in the Inside the drive unit provided batteries is supplied. It has proven to be the case with this well-known device Difficulties with the power supply of the electric motor in the interior of the drive unit arise because a Such a distraction device is implanted over long periods of time and for the removal of the bone parts considerable Services are required over a long period of time.
HOEGER1 STELLRECHT & PARTNERHOEGER 1 LAW & PARTNERS
PATENTANWÄLTE UHLANDSTRASSE UcO 7000 STUTTGART IPATENTANWÄLTE UHLANDSTRASSE UCO 7000 STUTTGART I
A 46 561 ü Anmelderin: AESGÜLAP-WERKE AGA 46 561 ü Applicant: AESGÜLAP-WERKE AG
u- 214 vormals Jetter & Scheerefu- 214 formerly Jetter & Scheeref
3. Mai 1985 Möhringerstraße 125 -May 3, 1985 Möhringerstraße 125 -
7200 Tuttlingen f 7200 Tuttlingen f
* ·* ·
A 46 561 üA 46 561 above
u - 214u - 214
3. Mai 1985May 3, 1985
-5--5-
Es ist Aufgabe der Neuerung , ein Distraktionsgerät der gattungsgemäßen Art derart zu verbessern, daß auch bei langer Implantationszeit und bei großem Leistüngsbedarf zum Entfernen der beiden Knochenteile keine Schwierigkeiten beim Antrieb des Distraktionsgerätes auftreten.It is the task of the innovation to improve a distraction device of the generic type in such a way that also with long implantation time and if there is a great need for power to remove the two bone parts, no difficulties occur when driving the distraction device.
Diese Aufgabe wird bei einem Distraktionsgerät der eingangs beschriebenen Art neuerungsgemäß dadurch gelöst, daß das Antriebselement ein Permanentmagnet ist, der von einem veränderlichen, außerhalb des Körpers erzeugten und in den Körper eindringenden Magnetfeld bewegbar ist.In a distraction device of the type described in the introduction, this object is achieved according to the invention in that that the drive element is a permanent magnet generated by a variable outside the body and the magnetic field penetrating into the body is movable.
Es ist also für die neue Ausgestaltung wesentlich, daß im Inneren der implantierten Antriebseinheit kein Elektromotor und keine Energieversorgung mehr notwendig sind, sondern daß ein im Inneren der Antriebseinheit beweglich gelagertes und an das Untersetzungsgetriebe angekoppeltes permanentmagnetisches Antriebselement von außen bewegbar ist. Dazu wird außerhalb des Körpers ein entsprechend verändertes Magnetfeld erzeugt, welches in den Körper eindringt und das permanentmagnetische Antriebselement in der Antriebseinheit bewegt. Selbstverständlich ist die Erzeugung eines derart veränderlichen Magnetfeldes außerhalb des Körpers über beliebig lange Zeiträume und auch mit hohen Leistungen möglich, so daß keinerlei VersorgungsSchwierigkeiten der Antriebseinheit mehr auftreten .It is therefore essential for the new design that there is no electric motor inside the implanted drive unit and no more power supply are necessary, but that a movable inside the drive unit The permanent magnetic drive element mounted and coupled to the reduction gear can be moved from the outside is. For this purpose, a correspondingly modified magnetic field is generated outside the body, which enters the body penetrates and moves the permanent magnetic drive element in the drive unit. Of course is the generation of such a variable magnetic field outside the body over any length of time and also possible with high performance, so that there are no longer any supply difficulties for the drive unit .
Günstig ist es dabei, wenn das Antriebselement in der Antriebseinheit drehbar gelagert ist, obwohl auch oszillierend bewegbare Antriebselemente möglich wären, deren Oszillationsbewegung durch geeignete Getriebemittel in eine Drehbewegung übersetzt werden.It is advantageous if the drive element is rotatably mounted in the drive unit, although it is also oscillating movable drive elements would be possible, their oscillating movement by suitable gear means translated into a rotary motion.
A 46 561 uA 46 561 u
u - 214u - 214
3, Mai 198 5May 3, 198 5
-6--6-
Besonders vorteilhaft ist die Verwendung eines Antriebselementes in Form einer diametral magnetisierten Scheibe* It is particularly advantageous to use a drive element in the form of a diametrically magnetized disk *
Bei einem bevorzugten Ausführungsbeispiel ist vorgesehen, daß die Drehachse des Antriebselements senkrecht zur Längsachse eines die Antriebseinheit aufnehmenden, parallel zur Verschieberichtung der Befestigungsteile orien-'tierten Gehäuses verläuft. Diese Anordnung ist aus Platzgründen besonders vorteilhaft und erlaubt außerdem, das permanentmagnetische Antriebselement möglichst dicht der Körperoberfläche anzuordnen, so daß die Wechselwirkung mit dem außerhalb des Körpers erzeugten Magnetfeld groß ist.In a preferred embodiment it is provided that the axis of rotation of the drive element is perpendicular to Longitudinal axis of a drive unit receiving, oriented parallel to the direction of displacement of the fastening parts Housing runs. This arrangement is particularly advantageous for reasons of space and also allows the permanent magnetic drive element to be arranged as close as possible to the body surface, so that the interaction with the magnetic field generated outside the body is large.
Das veränderliche, außerhalb des Körpers erzeugte Magnetfeld kann durch einen bewegten Magneten erzeugt werden, beispielsweise eine koaxial zu einem Permanentmagneten in der Antriebseinheit drehbaren Permanentmagneten außerhalb des Körpers. Es ist aber auch möglich,- die veränderlichen Magnetfelder auf elektrischem Wege zu erzeugen, beispielsweise durch die Verwendung geeigneter Drehfelder, deren Erzeugung für den Fachmann ohne weiteres möglich ist.The variable magnetic field generated outside the body can be generated by a moving magnet, For example, a permanent magnet outside rotatable coaxially with a permanent magnet in the drive unit of the body. But it is also possible - the changeable Generate magnetic fields electrically, for example by using suitable rotating fields, the generation of which is readily possible for the person skilled in the art.
Λ-Λ-
A 46 561 üA 46 561 above
u - 214u - 214
3. Mai 1985May 3, 1985
—7 ——7 -
Dis VsiTrisndung SuSsrsr, veränderlicher Ms^nstfslaer hat äen Vorteil, daß die das äußere Magnetfeld erzeugende Einrichtung nicht dauerhaft am Patienten angeordnet werden muß,, da es genügt, den Distraktor in größeren Zeitabständen zu verstellen. Der äußere Antrieb kann daher in der Zeit zwischen zwei Verstellungen entfernt und gegebenenfalls auch bei anderen Patienten eingesetzt werden. Dis VsiTrisndung SuSsrsr, changeable Ms ^ nstfslaer hat There is an advantage that the device generating the external magnetic field is not permanently arranged on the patient must, since it is sufficient to use the distractor at longer intervals to adjust. The external drive can therefore be removed and, if necessary, in the time between two adjustments can also be used in other patients.
Die nachfolgende Beschreibung einer bevorzugten Ausführungsform der Neuerung dient im Zusammenhang mit der Zeichnung der näheren Erläuterung. Es zeigen:The following description of a preferred embodiment of the innovation is used in connection with the Drawing for a more detailed explanation. Show it:
Fig. 1. eine schematische Seitenansicht eines geteilten Knochens mit implantiertem Distraktionsgerät undFig. 1. A schematic side view of a split Bone with implanted distraction device and
Fig. 2. eine Längsschnittansicht der Antriebseinheit des in Fig. 1 dargestellten Distraktionsgerätes.FIG. 2 shows a longitudinal sectional view of the drive unit of the distraction device shown in FIG. 1.
Das Distraktionsgerät umfaßt zwei Befestigungsteile 1 und 2, die mittels einer geeigneten Teleskopführung verschieblich gegeneinander gelagert sind. Im implantierten Zustand wird jedes Befestigungsteil mit einem Teil 3 bzw. 4 eines geteilten Knochens verbunden r so daß die beiden Knochenteile durch die aneinandergeführten Befestigungsteile 1 und 2 ebenfalls gegeneinander geführt, in ihrem Abstand aber veränderlich sind.The distraction device comprises two fastening parts 1 and 2, which are mounted displaceably relative to one another by means of a suitable telescopic guide. In the implanted state of each fixing member with a part 3 and 4 respectively of a split bone r connected so that the two bone parts are also guided by the attachment to each other guided parts 1 and 2 against each other in their distance but are variable.
An einem Befestigungsteil 1 ist ein Gehäuse 5 einer An-On a fastening part 1 is a housing 5 of an attachment
A 45 561 uA 45 561 u
u - 214u - 214
3. Mai 1985May 3, 1985
-8--8th-
triebseinheit befestigt, welches im wesentlichen kreiszylindrisch aufgebaut ist und welches sich parallel zur Verschieberichtung der Befestigungsteile 1 und 2 erstreckt. Aus dem Gehäuse 5 ragt eine Schubstange 6 heraus, die gegenüber dem Gehäuse 5 parallel zur Verschieberichtung der Befestigungsteile verschiebbar ist und mit ihrem freien Ende am anderen Befestigungsteil 2 festgelegt ist.Drive unit attached, which is essentially circular cylindrical is constructed and which extends parallel to the direction of displacement of the fastening parts 1 and 2. A push rod 6 protrudes from the housing 5 and is parallel to the direction of displacement with respect to the housing 5 of the fastening parts is displaceable and with its free end on the other fastening part 2 is fixed.
Im Inneren des Gehäuses 5 ist in die Schubstange 6 eine Antriebsspindel 7 eingeschraubt, die drehfest mit der Abtriebswelle 8 eines Untersetzungsgetriebes 9 verbunden ist. Das Untersetzungsgetriebe 9 umfaßt eine Eingangswelle 14 und mehrere Zahnradpaare 10 bis 13, durch welche eine Drehbewegung der Eingangswelle 14 untersetzt auf die Abtriebswelle 8 übertragen wird.Inside the housing 5, a drive spindle 7 is screwed into the push rod 6, which rotatably with the Output shaft 8 of a reduction gear 9 is connected. The reduction gear 9 includes an input shaft 14 and several pairs of gears 10 to 13, through which a rotary movement of the input shaft 14 is transmitted to the output shaft 8 in a stepped down manner.
Die Eingangswelle 14 trägt an ihrem eingangsseitigen Ende eine Kegelverzahnung 15, die mit einem Kegelzahnrad 16 auf einer senkrecht zur Längsachse des Gehäuses 5 angeordneten Antriebswelle 17 kämmt. Auf dieser Antriebswelle 17 ist drehfest ein diametral permanent magnetisiertes, scheibenförmiges Antriebselement 18 befestigt.At its input end, the input shaft 14 has bevel gearing 15 which is connected to a bevel gear 16 meshes on a drive shaft 17 arranged perpendicular to the longitudinal axis of the housing 5. On this drive shaft 17 is a diametrically permanently magnetized, disk-shaped drive element 18 in a rotationally fixed manner attached.
Bei Drehung dieses Änbrlebselementä 18 übertragt siöh dessen Drehbewegung untersetzt auf die Antrieb«Spindel die sich dabei gegenüber der verdrehfest/ aber längs-When this Änbrlebselementä 18 rotates siöh transmits its rotary motion reduced to the drive «spindle which are twist-proof / but longitudinally
ι I < .· ι I <. ·
A 46 561 uA 46 561 u
u - 214u - 214
3. Mai 1985May 3, 1985
verschieblich gelagerten Schubstange 6 verdreht und diese Schubstange in Längsrichtung relativ zum Gehäuse 5 verschiebt.displaceably mounted push rod 6 and twisted this push rod moves in the longitudinal direction relative to the housing 5.
Der Distraktor wird zur Verlängerung eines Knochens in der anhand der Fig. 1 beschriebenen Weise in den Körper implantiert, wobei das Gehäuse 5 der Antriebseinheit so implantiert wird, daß das scheibenförmige Antriebselement 18 radial außen liegt, d.h. möglichst dicht unter der Körperoberfläche.The distractor is used to lengthen a bone in the manner described with reference to FIG. 1 in the Body implanted, the housing 5 of the drive unit is implanted so that the disk-shaped Drive element 18 lies radially outside, i.e. as close as possible below the body surface.
Außerhalb des Körpers wird mittels einer in der Zeichnung nicht dargestellten Vorrichtung ein Drehmagnetfeld erzeugt, welches sich um die durch die Antriebswelle 17 definierte Achse dreht und dabei das permanentmagnetische Antriebselement 18 mit verdreht. Diese äußere, veränderliche Magnetfeld kann beispielsweise durch einen Permanentmagneten erzeugt werden, der um dieselbe nrehachse verdrehbar ist wie das Antriebselement 18, jedoch dicht oberhalb der Körperoberfläche. 2s wäre auch möglich, statt des verdrehten Permanentmagnetes ein elektrisches Drehmagnetfeld zu erzeugen, wie es beispielsweise in Elektromotoren bekannt ist.Outside the body, a rotating magnetic field is generated by means of a device not shown in the drawing, which rotates around the axis defined by the drive shaft 17 and thereby the permanent magnetic Drive element 18 with twisted. This external, variable magnetic field can, for example, by a Permanent magnets are generated, which is rotatable about the same axis of rotation as the drive element 18, however just above the body surface. 2s would also be possible, instead of the twisted permanent magnet, an electric one To generate a rotating magnetic field, as is known, for example, in electric motors.
AUf diese Weise kann der Antrieb des implantierten Gerätes immer von außen erfolgen, so daß komplizierte Fern-Steuerungsmaßnahmen überflüssig sind, die bei bisher bekannten Distraktoren den Aufbau wesentlich kompliziert haben.In this way it can drive the implanted device always take place from the outside, so that complicated remote control measures are superfluous, those with previously known Distractors have made construction much more complicated.
A 46 561 u· u - 214A 46 561 u u - 214
3. Mai 1985May 3, 1985
-10--10-
Die jeweilige Stellung des Distraktors kann in einfacher
Weise durch Röntgenaufnahmen festgestellt
werden,- es wäre auch möglich,· durch das bewegte Antriebselement
im Inneren der Antriebseinheit einen außerhalb des Körpers angeordneten Impulszähler zu
betätigen, der die Drehungen des Antriebselementes registriert.The respective position of the distractor can be determined in a simple manner by means of X-rays
- it would also be possible to operate a pulse counter, which is arranged outside the body and which registers the rotations of the drive element, by the moving drive element inside the drive unit.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858515687 DE8515687U1 (en) | 1985-05-29 | 1985-05-29 | Distraction device for extension osteotomy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19858515687 DE8515687U1 (en) | 1985-05-29 | 1985-05-29 | Distraction device for extension osteotomy |
Publications (1)
Publication Number | Publication Date |
---|---|
DE8515687U1 true DE8515687U1 (en) | 1985-10-24 |
Family
ID=6781571
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19858515687 Expired DE8515687U1 (en) | 1985-05-29 | 1985-05-29 | Distraction device for extension osteotomy |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE8515687U1 (en) |
Cited By (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19700225A1 (en) * | 1997-01-07 | 1998-07-09 | Augustin Prof Dr Betz | Distraction device for moving two parts of a bone apart |
FR2901991A1 (en) * | 2006-06-13 | 2007-12-14 | Arnaud Andre Soubeiran | INTRACORPOREAL LENGTH DEVICE WITH TENSIONED SCREW |
FR2906453A1 (en) * | 2006-10-03 | 2008-04-04 | Arnaud Andre Soubeiran | Intra body e.g. bone, extending device e.g. oesto implant, for use by surgeon, has connection unit for connecting between permanent magnet and part, and screw and thread rotating output shaft to drive movement of another part |
US7955357B2 (en) | 2004-07-02 | 2011-06-07 | Ellipse Technologies, Inc. | Expandable rod system to treat scoliosis and method of using the same |
US7981025B2 (en) | 2006-10-20 | 2011-07-19 | Ellipse Technologies, Inc. | Adjustable implant and method of use |
US8057472B2 (en) | 2007-10-30 | 2011-11-15 | Ellipse Technologies, Inc. | Skeletal manipulation method |
US8197490B2 (en) | 2009-02-23 | 2012-06-12 | Ellipse Technologies, Inc. | Non-invasive adjustable distraction system |
US8382756B2 (en) | 2008-11-10 | 2013-02-26 | Ellipse Technologies, Inc. | External adjustment device for distraction device |
US8449543B2 (en) | 2009-09-04 | 2013-05-28 | Ellipse Technologies, Inc. | Bone growth device and method |
US9113967B2 (en) | 2009-09-09 | 2015-08-25 | Arnaud Soubeiran | Intracorporeal device for moving tissue |
US9248043B2 (en) | 2010-06-30 | 2016-02-02 | Ellipse Technologies, Inc. | External adjustment device for distraction device |
RU2604708C2 (en) * | 2010-03-19 | 2016-12-10 | Смит Энд Нефью, Инк. | Telescoping im nail and actuating mechanism |
RU2634626C2 (en) * | 2011-05-17 | 2017-11-02 | Смит Энд Нефью, Инк. | Telescopic pit for intramedular osteosynthesis and control device |
US10130405B2 (en) | 2012-10-29 | 2018-11-20 | Nuvasive Specialized Orthopedics, Inc. | Adjustable devices for treating arthritis of the knee |
US10238427B2 (en) | 2015-02-19 | 2019-03-26 | Nuvasive Specialized Orthopedics, Inc. | Systems and methods for vertebral adjustment |
US10271885B2 (en) | 2014-12-26 | 2019-04-30 | Nuvasive Specialized Orthopedics, Inc. | Systems and methods for distraction |
US10349982B2 (en) | 2011-11-01 | 2019-07-16 | Nuvasive Specialized Orthopedics, Inc. | Adjustable magnetic devices and methods of using same |
US10405891B2 (en) | 2010-08-09 | 2019-09-10 | Nuvasive Specialized Orthopedics, Inc. | Maintenance feature in magnetic implant |
US10646262B2 (en) | 2011-02-14 | 2020-05-12 | Nuvasive Specialized Orthopedics, Inc. | System and method for altering rotational alignment of bone sections |
US10743794B2 (en) | 2011-10-04 | 2020-08-18 | Nuvasive Specialized Orthopedics, Inc. | Devices and methods for non-invasive implant length sensing |
US10751094B2 (en) | 2013-10-10 | 2020-08-25 | Nuvasive Specialized Orthopedics, Inc. | Adjustable spinal implant |
US10835290B2 (en) | 2015-12-10 | 2020-11-17 | Nuvasive Specialized Orthopedics, Inc. | External adjustment device for distraction device |
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US11589901B2 (en) | 2019-02-08 | 2023-02-28 | Nuvasive Specialized Orthopedics, Inc. | External adjustment device |
US11596456B2 (en) | 2015-10-16 | 2023-03-07 | Nuvasive Specialized Orthopedics, Inc. | Adjustable devices for treating arthritis of the knee |
US11602380B2 (en) | 2009-04-29 | 2023-03-14 | Nuvasive Specialized Orthopedics, Inc. | Interspinous process device and method |
US11696836B2 (en) | 2013-08-09 | 2023-07-11 | Nuvasive, Inc. | Lordotic expandable interbody implant |
US11737787B1 (en) | 2021-05-27 | 2023-08-29 | Nuvasive, Inc. | Bone elongating devices and methods of use |
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US11857226B2 (en) | 2013-03-08 | 2024-01-02 | Nuvasive Specialized Orthopedics | Systems and methods for ultrasonic detection of device distraction |
US11925389B2 (en) | 2008-10-13 | 2024-03-12 | Nuvasive Specialized Orthopedics, Inc. | Spinal distraction system |
-
1985
- 1985-05-29 DE DE19858515687 patent/DE8515687U1/en not_active Expired
Cited By (88)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19700225A1 (en) * | 1997-01-07 | 1998-07-09 | Augustin Prof Dr Betz | Distraction device for moving two parts of a bone apart |
US6245075B1 (en) | 1997-01-07 | 2001-06-12 | Wittenstein Motion Control Gmbh | Distraction device for moving apart two bone sections |
US9011499B1 (en) | 2004-07-02 | 2015-04-21 | Ellipse Technologies, Inc | Expandable rod system to treat scoliosis and method of using the same |
US8343192B2 (en) | 2004-07-02 | 2013-01-01 | Ellipse Technologies, Inc. | Expandable rod system to treat scoliosis and method of using the same |
US10016221B2 (en) | 2004-07-02 | 2018-07-10 | Nuvasive Specialized Orthopedics, Inc. | Expandable rod system to treat scoliosis and method of using the same |
US8852236B2 (en) | 2004-07-02 | 2014-10-07 | Ellipse Technologies, Inc. | Expandable rod system to treat scoliosis and method of using the same |
US7955357B2 (en) | 2004-07-02 | 2011-06-07 | Ellipse Technologies, Inc. | Expandable rod system to treat scoliosis and method of using the same |
US9398925B2 (en) | 2004-07-02 | 2016-07-26 | Nuvasive Specialized Orthopedics, Inc. | Expandable rod system to treat scoliosis and method of using the same |
US11712268B2 (en) | 2004-07-02 | 2023-08-01 | Nuvasive Specialized Orthopedics, Inc. | Expandable rod system to treat scoliosis and method of using the same |
WO2007144489A2 (en) * | 2006-06-13 | 2007-12-21 | Arnaud Soubeiran | Device for intrabody extension with screws working in traction |
WO2007144489A3 (en) * | 2006-06-13 | 2008-05-29 | Arnaud Soubeiran | Device for intrabody extension with screws working in traction |
FR2901991A1 (en) * | 2006-06-13 | 2007-12-14 | Arnaud Andre Soubeiran | INTRACORPOREAL LENGTH DEVICE WITH TENSIONED SCREW |
US8137349B2 (en) | 2006-06-13 | 2012-03-20 | Arnaud Soubeiran | Intrabody distraction device with a screw working in traction |
WO2008040880A3 (en) * | 2006-10-03 | 2008-05-22 | Arnaud Soubeiran | Intracorporeal elongation device with a permanent magnet |
US8632548B2 (en) | 2006-10-03 | 2014-01-21 | Arnaud Soubeiran | Intracorporeal elongation device with a permanent magnet |
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